clinton joins her husband, former president bill clinton, president obama, and host of conservatives who also previously opposed same sex marriage and now support it public opinion has also turned in favor, but the question remains, what if any impact will this have on the u.s. supreme court a new national poll shows support for same sex marriage is at an all-time high. in the last 10 years, public opinion has undergone a reversal. in 2003, more than half of all americans wanted to outlaw same sex marriage. now nearly 60 percent want to legalize it. the poll was conducted by langer research for abc news and the washington post. if you ride bart during the heavy commute- you may have noticed some changes today. all this week. bikers will be allowed on board during peak commute hours in the morning and at night. kron 4's j.r. stone has more on the week long test program. new tonight at 8-- bart might be considering extending its service north into the east bay... possibly as far as hercules. kron 4's charles clifford has details and shows us where the new train routes could run. distri